On Mon, 6 Jun 2016, Arnd Bergmann wrote: > When building random configurations, we now occasionally get a new > build error: > > In file included from include/linux/kernel.h:13:0, > from include/linux/list.h:8, > from include/linux/preempt.h:10, > from include/linux/spinlock.h:50, > from arch/x86/kernel/nmi.c:13: > arch/x86/kernel/nmi.c: In function 'nmi_max_handler': > include/linux/printk.h:375:9: error: type defaults to 'int' in declaration > of 'DEFINE_RATELIMIT_STATE' [-Werror=implicit-int] > static DEFINE_RATELIMIT_STATE(_rs, \ > ^ > arch/x86/kernel/nmi.c:110:2: note: in expansion of macro > 'printk_ratelimited' > printk_ratelimited(KERN_INFO > ^~~~~~~~~~~~~~~~~~ > > This was working before the rtc rework series because linux/ratelimit.h > was included implictly through asm/mach_traps.h -> asm/mc146818rtc.h > -> linux/mc146818rtc.h -> linux/rtc.h -> linux/device.h. > > We clearly shouldn't rely on this indirect inclusion, so this adds > an explicit #include in the file that needs it. > > Signed-off-by: Arnd Bergmann <[email protected]> > Reported-by: kbuild test robot <[email protected]> > Fixes: 5ab788d73832 ("rtc: cmos: move mc146818rtc code out of > asm-generic/rtc.h") > --- > It's only broken in the linux-rtc git at the moment, so it makes sense > to fix it there.
Acked-by: Thomas Gleixner <[email protected]>

